Pith Number

pith:UQXWVQ24

pith:2013:UQXWVQ24SSSEYZBJWS2L7IJ2KY

not attested not anchored not stored refs pending

Classification of eclipsing binaries: attractive systems

Ekaterina Avvakumova, Oleg Malkov

arxiv:1306.4537 v1 · 2013-06-19 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQXWVQ24SSSEYZBJWS2L7IJ2KY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:20:34.105826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a42f6ac35c94a44c6429b4b4bfa13a561130bc71eb47ebd267d859d2c504516f

Aliases

arxiv: 1306.4537 · arxiv_version: 1306.4537v1 · doi: 10.48550/arxiv.1306.4537 · pith_short_12: UQXWVQ24SSSE · pith_short_16: UQXWVQ24SSSEYZBJ · pith_short_8: UQXWVQ24

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UQXWVQ24SSSEYZBJWS2L7IJ2KY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a42f6ac35c94a44c6429b4b4bfa13a561130bc71eb47ebd267d859d2c504516f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b65a5ce903aefddde504c50cb939ffeba8d15c71a2fe85407f654bb20631c5b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-06-19T13:24:31Z",
    "title_canon_sha256": "339ff2d62c5136e052353f70e2c5ce4bf070b4450b4f1d9be5ea0990ff09cc55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4537",
    "kind": "arxiv",
    "version": 1
  }
}